string Evaluate(string code)
{
if (process == null)
{
return("No process is being debugged");
}
if (process.IsRunning)
{
return("The process is running");
}
try {
Value val = AstEvaluator.Evaluate(code, SupportedLanguage.CSharp, process.SelectedStackFrame);
if (val == null)
{
return(string.Empty);
}
if (val.IsNull)
{
return("null");
}
else
{
return(val.InvokeToString());
}
} catch (GetValueException e) {
return(e.Message);
}
}
/// <summary>
/// Gets variable of given name.
/// Returns null if unsuccessful.
/// </summary>
public Value GetValueFromName(string variableName)
{
if (debuggedProcess == null || debuggedProcess.IsRunning || debuggedProcess.SelectedStackFrame == null)
{
return(null);
}
else
{
return(AstEvaluator.Evaluate(variableName, SupportedLanguage.CSharp, debuggedProcess.SelectedStackFrame));
}
}
public override void RefreshPad()
{
if (debuggedProcess == null || debuggedProcess.IsRunning || debuggedProcess.SelectedStackFrame == null)
{
return;
}
using (new PrintTimes("Watch Pad refresh")) {
try {
watchList.BeginUpdate();
Utils.DoEvents(debuggedProcess);
List <TreeViewVarNode> nodes = new List <TreeViewVarNode>();
foreach (var nod in watches)
{
try {
LoggingService.Info("Evaluating: " + (string.IsNullOrEmpty(nod.Name) ? "is null or empty!" : nod.Name));
Value val = AstEvaluator.Evaluate(nod.Name, SupportedLanguage.CSharp, debuggedProcess.SelectedStackFrame);
ValueNode valNode = new ValueNode(val);
valNode.SetName(nod.Name);
nodes.Add(new TreeViewVarNode(debuggedProcess, watchList, valNode));
} catch (GetValueException) {
string error = String.Format(StringParser.Parse("${res:MainWindow.Windows.Debug.Watch.InvalidExpression}"), nod.Name);
ErrorInfoNode infoNode = new ErrorInfoNode(nod.Name, error);
nodes.Add(new TreeViewVarNode(debuggedProcess, watchList, infoNode));
}
}
watchList.Root.Children.Clear();
foreach (TreeViewVarNode nod in nodes)
{
watchList.Root.Children.Add(nod);
}
} catch (AbortedBecauseDebuggeeResumedException) {
} catch (Exception ex) {
if (debuggedProcess == null || debuggedProcess.HasExited)
{
// Process unexpectedly exited
}
else
{
MessageService.ShowError(ex);
}
}
}
watchList.EndUpdate();
}
public void Evaluate_PowerOfNegative_ReturnsCorrectResult()
{
// Arrange
var input = new BinaryNode(
new UnaryPrefixNode(UnaryOperatorType.Minus, new UnaryValueNode(2)),
new[]
{
new BinaryNodeItem(BinaryOperatorType.Power, new UnaryValueNode(2))
});
var parser = new AstEvaluator();
// Act
var result = parser.Evaluate(input);
// Assert
Assert.Equal(4, result);
}
public void Evaluate_SameOperatorRightOrder_ReturnsCorrectResult()
{
// Arrange
var input = new BinaryNode(
new UnaryValueNode(2),
new[]
{
new BinaryNodeItem(BinaryOperatorType.Power, new UnaryValueNode(3)),
new BinaryNodeItem(BinaryOperatorType.Power, new UnaryValueNode(2))
});
var parser = new AstEvaluator();
// Act
var result = parser.Evaluate(input);
// Assert
Assert.Equal(512, result);
}
public void Evaluate_SimpleOneLevelAst_ReturnsCorrectResult()
{
// Arrange
var input = new BinaryNode(
new UnaryValueNode(2),
new[]
{
new BinaryNodeItem(BinaryOperatorType.Add, new UnaryValueNode(3)),
new BinaryNodeItem(BinaryOperatorType.Multiply, new UnaryValueNode(3))
});
var parser = new AstEvaluator();
// Act
var result = parser.Evaluate(input);
// Assert
Assert.Equal(11, result);
}
public void Evaluate_NegativePowerOfPositive_ReturnsCorrectResult()
{
// Arrange
var power = new BinaryNode(
new UnaryValueNode(2),
new[]
{
new BinaryNodeItem(BinaryOperatorType.Power, new UnaryValueNode(2))
});
var input = new BinaryNode(new UnaryPrefixNode(UnaryOperatorType.Minus, new UnaryExpressionNode(power)));
var parser = new AstEvaluator();
// Act
var result = parser.Evaluate(input);
// Assert
Assert.Equal(-Math.Pow(2, 2), result);
}
bool Evaluate(string code, string language)
{
try {
SupportedLanguage supportedLanguage = (SupportedLanguage)Enum.Parse(typeof(SupportedLanguage), language.Replace("#", "Sharp"), true);
Value val = AstEvaluator.Evaluate(code, supportedLanguage, debuggedProcess.SelectedStackFrame);
if (val != null && val.Type.IsPrimitive && val.PrimitiveValue is bool)
{
return((bool)val.PrimitiveValue);
}
else
{
return(false);
}
} catch (GetValueException e) {
string errorMessage = "Error while evaluating breakpoint condition " + code + ":\n" + e.Message + "\n";
DebuggerService.PrintDebugMessage(errorMessage);
WorkbenchSingleton.SafeThreadAsyncCall(MessageService.ShowWarning, errorMessage);
return(true);
}
}
public void Evaluate_ComplexOneLevelAst_ReturnsCorrectResult()
{
// Arrange
var input = new BinaryNode(
new UnaryValueNode(2),
new[]
{
new BinaryNodeItem(BinaryOperatorType.Multiply, new UnaryValueNode(2)),
new BinaryNodeItem(BinaryOperatorType.Subtract, new UnaryValueNode(3)),
new BinaryNodeItem(BinaryOperatorType.Power, new UnaryValueNode(3)),
new BinaryNodeItem(BinaryOperatorType.Subtract, new UnaryValueNode(4)),
new BinaryNodeItem(BinaryOperatorType.Multiply, new UnaryValueNode(4)),
});
var parser = new AstEvaluator();
// Act
var result = parser.Evaluate(input);
// Assert
Assert.Equal(-39, result);
}
public void Evaluate_PowerOfNegativeExpression_ReturnsCorrectResult()
{
// Arrange
var subtract = new BinaryNode(
new UnaryValueNode(1),
new[] { new BinaryNodeItem(BinaryOperatorType.Subtract, new UnaryValueNode(2)) });
var input = new BinaryNode(
new UnaryExpressionNode(subtract),
new[]
{
new BinaryNodeItem(BinaryOperatorType.Power, new UnaryValueNode(3))
});
var parser = new AstEvaluator();
// Act
var result = parser.Evaluate(input);
// Assert
Assert.Equal(Math.Pow(1 - 2, 3), result);
}
